/* 主体 */
.main{
    position: relative;
}
/* 主体标题 */
.main_title{
    width: 1418px;
    height: 40px;
    margin-top: 17px;
    background-color: white;
}
.mt_1 img{
    height: 20px;
    margin-right: 5px;
}
.mt_1{
    font-size: 20px;
    line-height: 40px;
    margin-right: 15px;
    
}
.mt_2{
    font-size: 14px;
    border-left: 2px solid #cacaca;
    line-height: 40px;
    padding-left: 20px;
    box-sizing: border-box;
}
/* 主体内容 */
.main_box{
    height: 800px;
    width: 1200px;
    background-color: white;
    padding: 70px;
    box-sizing: border-box;
    margin-top: 20px;
}
/* 主体上部 */
.box_up h1{
    font-size: 27px;
    color: #3c5900;
    text-align: center;
}
.box_up h2{
    color: #ccd3dc;
    text-align: center;
    margin-top: 10px;
    margin-bottom: 60px;
}
.box_up p{
    margin: 20px 0;
    line-height: 24px;
}
.box_up p:nth-child(1){
    margin: 20px 0;
    border-bottom: 2px dashed #cdcdcd;
    padding-bottom: 20px;
    box-sizing: border-box;
}
.box_up p:nth-child(2){
    margin: 20px 0;
    border-bottom: 2px dashed #cdcdcd;
    padding-bottom: 20px;
    box-sizing: border-box;
}
.box_up div div{
    margin-left: 405px;
}
/* .bu-box{

} */
.box_up div img{
    width: 360px;
    height: 245px;
}
/* 主体下部 */
.box_down li img{
    width: 300px;
    height: 210px;
    margin: 0 25px;
}
.box_down ul p{
    padding: 50px 0;
    box-sizing: border-box;
}
.box_down ul::before{
    content: "";
    display: block;
    height: 2px;
    width: 1060px;
    background-color: #cdcdcd;
}